Hypersensitivity Pneumonitis | Hot Tub Lung, Farmer’s Lung, Bird Fancier’s Lung, Bagassosis

The video tutorial covers hypersensitivity pneumonitis, a type of interstitial lung disease caused by an immunological response to various antigens. It discusses the causes, including occupational and hobby-related exposures, and explains the pathophysiology involving non-IgE mediated inflammation. The tutorial outlines the signs and symptoms across acute, subacute, and chronic stages, and details the diagnostic process using clinical history, imaging, and lab tests. Treatment focuses on avoiding triggers and may include corticosteroids and other medications.

What are the differences between the acute, subacute, and chronic stages of hypersensitivity pneumonitis?

What imaging findings are associated with hypersensitivity pneumonitis?

What is the significance of IgG testing in the diagnosis of hypersensitivity pneumonitis?

What is the role of systemic corticosteroids in the treatment of hypersensitivity pneumonitis?